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48830 (1997 YN2)
Classification: Outer Main-belt Asteroid          SPK-ID: 2048830
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1722922566809016 3.9323e-08  
a 3.240752700208868 2.2537e-08 au
q 2.682396104145157 1.3356e-07 au
i 15.60680370064764 5.3326e-06 deg
node 291.1474981334886 1.6567e-05 deg
peri 90.44725909237549 2.36e-05 deg
M 6.904206817123065 1.5528e-05 deg
tp 2458959.632454413757
(2020-Apr-20.13245441)
9.19e-05 TDB
period 2130.920582297668
5.83
2.2229e-05
6.086e-08
d
yr
n .1689410684708998 1.7623e-09 deg/d
Q 3.799109296272579 2.642e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1529  
   data-arc span      12363 days (33.85 yr)  
   first obs. used      1987-01-10  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45034  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:27:00  

Additional Information
 Earth MOID = 1.74284 au 
 Jupiter MOID = 1.93342 au 
 T_jup = 3.103 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457221.5 (2015-Jul-18.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1722942424323631 4.0567e-08  
q 2.683192347615158 1.3785e-07 au
tp 2456811.812550224245
(2014-Jun-03.31255022)
9.2055e-05 TDB
node 291.850255708408 1.6481e-05 deg
peri 87.76445191013576 2.3347e-05 deg
i 15.60622376984591 5.3509e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1529  
   data-arc span      12363 days (33.85 yr)  
   first obs. used      1987-01-10  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45034  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:27:00  

Additional Information
 Jupiter MOID = 1.93342 au 
 T_jup = 3.103 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.645658823539657E-15 -5.54621953924852E-15 -1.405160587329398E-12 4.922645146832984E-15 -2.854220726810037E-13 2.340532356018771E-15
q -5.54621953924852E-15 1.900274394015534E-14 4.400076274069023E-12 -1.080473651236541E-14 9.103362113972608E-13 -1.856404853650266E-15
tp -1.405160587329398E-12 4.400076274069023E-12 8.474046724524028E-9 -2.205396907393112E-11 1.548461177600949E-9 1.23104828234315E-12
node 4.922645146832984E-15 -1.080473651236541E-14 -2.205396907393112E-11 2.716284273874947E-10 -2.64935959564032E-10 3.305602424496921E-11
peri -2.854220726810037E-13 9.103362113972608E-13 1.548461177600949E-9 -2.64935959564032E-10 5.450986792682634E-10 -3.187702578868634E-11
i 2.340532356018771E-15 -1.856404853650266E-15 1.23104828234315E-12 3.305602424496921E-11 -3.187702578868634E-11 2.863173986287758E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.2   n/a MPO502481  
diameter diameter 9.894 km 0.155 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.070   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

48830 (1997 YN2)          Discovered 1997-Dec-21 by Kobayashi, T. at Oizumi
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

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